Home / 263,457.11-395,259.65-105,796.28

Finding the Fourth Proportional to 263,457.11, 395,259.65 and 105,796.28

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Solution

The fourth proportional to 263,457.11, 395,259.65 and 105,796.28 is: 158,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,457.11 : 395,259.65 = 105,796.28 : x
  2. Step 2: Convert to fraction form
    263,457.11/395,259.65 = 105,796.28/x
  3. Step 3: Cross multiply
    263,457.11x = 395,259.65 × 105,796.28
  4. Step 4: Simplify right side
    263,457.11x = 41,817,000,604.10
  5. Step 5: Solve for x
    x = 41,817,000,604.10/263,457.11
  6. Step 6: Final answer
    x = 158,724.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.